One lesser spotted feature of Luhmann's system is his advice to work on anything only for as long as you want and then switch to something else.
Since starting to move stuff into Obsidian, I've noticed that this has really improved productivity. It's because I now have one system and one workflow for everything. I never have to switch from one set of toys (progs and files) to another. Writing, research: just do it - project switching is all in the brain. Think about dinner, need recipe is all the same. Temperature too high? Ditto.
It's not the single boundaried academic system envisaged by Luhmann, but my brain's never been great at boundaries and this allows me to follow its lead, with no friction. And I don't have to be uncomfortably disciplined beyond what comes naturally.
Not so smooth on Android, but I remain hopeful that will be sorted around the end of the year.